Panasonic LEICA DG VARIO-SUMMILUX 25-50mm / F1.7 ASPH. is listed for Micro Four Thirds with Micro Four Thirds coverage. Its verified front filter size is Ø77 mm. The supplied research links this exact mount variant to manufacturer evidence. Body-specific AF, crop and adapter behavior remain separate checks.
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Verified specifications
| Field | Value |
|---|---|
| Maker model code | H-X2550 |
| Mount | Micro Four Thirds |
| Image format | Micro Four Thirds |
| Front filter thread | Ø77 mm |
| Model ID | panasonic-leica-dg-vario-summilux-25-50mm-f1-7-asph-micro-four-thirds |
| Focal length | 25–50 mm |
| Maximum aperture | f/1.7 |
| Filter attachment type | screw_in |
| Weight | 23.1 oz (approx.; 654 g maker value) |
| Closest focus | 0.92 ft (approx.; 0.28 m maker value) |
| Maximum magnification | 0.21× |
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Compare the exact model code and rear mount in each listing. Amazon results may contain another mount or generation; the search is not a compatibility verdict.
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Search camera lenses on AmazonChoosing a camera
Look for the Micro Four Thirds designation on the camera specification, then verify the exact model code and mount variant against its support page. The maker lists a 25–50 mm focal range and f/1.7 maximum aperture. A physical mount match is a starting point; still AF, movie AF, crop behavior, stabilization and firmware need separate checks.
Choosing a filter
A circular screw-in filter with a matching documented thread size is only a mechanical candidate. Magnetic filters, wide frames and stacked rings need separate system and vignetting checks. When no front thread is specified, do not buy a size from the focal length or barrel diameter.
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Official sources and scope
Checked for this reference on October 30, 2026. Product firmware and support lists can change; inspect the current maker page for your exact revision.